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Stock-Based Compensation - Service Based Stock Options - Fair Value Assumptions (Details) - Stock option awards - service based awards
6 Months Ended
Jun. 30, 2022
$ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise price (in dollars per share) $ 4.12
Expected stock price volatility 76.20%
Risk-free interest rate 1.98%
Term (years) 6 years 6 months